A man is arrested by police during a May Day march in New York, Wednesday, May 1, 2013. Activists in New York City are protesting working conditions, immigration reform and other issues. (AP Photo/Seth Wenig)

A man is arrested by police during a May Day march in New York, Wednesday, May 1, 2013. Activists in New York City are protesting working conditions, immigration reform and other issues. (AP Photo/Seth Wenig)